I don't know.
3 seconds sound clip from the After the Thin Man (1936) movie soundboard.
You can hear this line at 01:20:45 in the DVD version of the movie.
Quote context
[...]
- You stay here, in case he tries to make a break.
- We ain't got no Phil Byrnes.
- Yep.
- Walk upstairs if you want. Room 212.
- After you, my dear lieutenant.
[...]